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Hashing Performance Time with Hash Tables

This paper includes a basic discussion on the concept of hash tables and the theory that lies behind them. The main section will be a more practical approach into the definition and use of hash tables in SAS9. The later part of this paper will include a comparison between some traditional lookup methods (e.g.: formats, merge and SQL) and hash tables to try and convince any leftover sceptics of the full power of hash tables.

Hashing Performance Time with Hash Tables.pdf